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Depth estimation is a cornerstone of perception in autonomous driving and robotic systems. The considerable cost and relatively sparse data acquisition of LiDAR systems have led to the exploration of cost-effective alternatives, notably,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Yucheng Mao , Ruowen Zhao , Tianbao Zhang , Hang Zhao

Sparse keypoint matching is crucial for 3D vision tasks, yet current keypoint detectors often produce spatially inaccurate matches. Existing refinement methods mitigate this issue through alignment of matched keypoint locations, but they…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Jan Fabian Schmid , Annika Hagemann

Bird's-Eye-View (BEV) maps have emerged as one of the most powerful representations for scene understanding due to their ability to provide rich spatial context while being easy to interpret and process. Such maps have found use in many…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Nikhil Gosala , Abhinav Valada

Efficient relocalization is essential for intelligent vehicles when GPS reception is insufficient or sensor-based localization fails. Recent advances in Bird's-Eye-View (BEV) segmentation allow for accurate estimation of local scene…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Andrea Boscolo Camiletto , Alfredo Bochicchio , Alexander Liniger , Dengxin Dai , Abel Gawel

Bird's-Eye-View (BEV) is critical to connected and automated vehicles (CAVs) as it can provide unified and precise representation of vehicular surroundings. However, quality of the raw sensing data may degrade in occluded or distant…

Networking and Internet Architecture · Computer Science 2025-12-23 Jiawei Hou , Peng Yang , Xiangxiang Dai , Mingliu Liu , Conghao Zhou

Vision-based bird's-eye-view (BEV) 3D object detection has advanced significantly in autonomous driving by offering cost-effectiveness and rich contextual information. However, existing methods often construct BEV representations by…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Jicheng Yuan , Manh Nguyen Duc , Qian Liu , Manfred Hauswirth , Danh Le Phuoc

Visual localization determines an agent's precise position and orientation within an environment using visual data. It has become a critical task in the field of robotics, particularly in applications such as autonomous navigation. This is…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Nanda Febri Istighfarin , HyungGi Jo

Recent deep learning models achieve impressive results on 3D scene analysis tasks by operating directly on unstructured point clouds. A lot of progress was made in the field of object classification and semantic segmentation. However, the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Cathrin Elich , Francis Engelmann , Theodora Kontogianni , Bastian Leibe

One recent promising approach to the Visual Place Recognition (VPR) problem has been to fuse the place recognition estimates of multiple complementary VPR techniques using methods such as SRAL and multi-process fusion. These approaches come…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Connor Malone , Stephen Hausler , Tobias Fischer , Michael Milford

Integrating LiDAR and camera information into Bird's-Eye-View (BEV) representation has emerged as a crucial aspect of 3D object detection in autonomous driving. However, existing methods are susceptible to the inaccurate calibration…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ziying Song , Lei Yang , Shaoqing Xu , Lin Liu , Dongyang Xu , Caiyan Jia , Feiyang Jia , Li Wang

We present a coarse-to-fine discretisation method that enables the use of discrete reinforcement learning approaches in place of unstable and data-inefficient actor-critic methods in continuous robotics domains. This approach builds on the…

Robotics · Computer Science 2022-03-16 Stephen James , Kentaro Wada , Tristan Laidlow , Andrew J. Davison

With the attention gained by camera-only 3D object detection in autonomous driving, methods based on Bird-Eye-View (BEV) representation especially derived from the forward view transformation paradigm, i.e., lift-splat-shoot (LSS), have…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Weijie Ma , Jingwei Jiang , Yang Yang , Zehui Chen , Hao Chen

Fine-grained visual classification aims to recognize images belonging to multiple sub-categories within a same category. It is a challenging task due to the inherently subtle variations among highly-confused categories. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Tian Zhang , Dongliang Chang , Zhanyu Ma , Jun Guo

Fine-grained visual categorization is a classification task for distinguishing categories with high intra-class and small inter-class variance. While global approaches aim at using the whole image for performing the classification,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Dimitri Korsch , Paul Bodesheim , Joachim Denzler

Robust visual localization for urban vehicles remains challenging and unsolved. The limitation of computation efficiency and memory size has made it harder for large-scale applications. Since semantic information serves as a stable and…

Robotics · Computer Science 2020-10-14 Ziwei Liao , Jieqi Shi , Xianyu Qi , Xiaoyu Zhang , Wei Wang , Yijia He , Ran Wei , Xiao Liu

Ground to aerial matching is a crucial and challenging task in outdoor robotics, particularly when GPS is absent or unreliable. Structures like buildings or large dense forests create interference, requiring GNSS replacements for global…

Robotics · Computer Science 2024-10-10 Christopher Klammer , Michael Kaess

Despite the fact that object detection, 3D pose estimation, and sub-category recognition are highly correlated tasks, they are usually addressed independently from each other because of the huge space of parameters. To jointly model all of…

Computer Vision and Pattern Recognition · Computer Science 2015-04-13 Roozbeh Mottaghi , Yu Xiang , Silvio Savarese

Visual Place Recognition is an essential component of systems for camera localization and loop closure detection, and it has attracted widespread interest in multiple domains such as computer vision, robotics and AR/VR. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Rui Huang , Ze Huang , Songzhi Su

Visual grounding, which aims to build a correspondence between visual objects and their language entities, plays a key role in cross-modal scene understanding. One promising and scalable strategy for learning visual grounding is to utilize…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Yongfei Liu , Bo Wan , Lin Ma , Xuming He

Expressing images with Multi-Resolution (MR) features has been widely adopted in many computer vision tasks. In this paper, we introduce the MR concept into Bird's-Eye-View (BEV) semantic segmentation for autonomous driving. This…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Dooseop Choi , Jungyu Kang , Taeghyun An , Kyounghwan Ahn , KyoungWook Min